Home / 108,921.20-163,381.80-95,097.20

Finding the Fourth Proportional to 108,921.20, 163,381.80 and 95,097.20

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Solution

The fourth proportional to 108,921.20, 163,381.80 and 95,097.20 is: 142,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921.20 : 163,381.80 = 95,097.20 : x
  2. Step 2: Convert to fraction form
    108,921.20/163,381.80 = 95,097.20/x
  3. Step 3: Cross multiply
    108,921.20x = 163,381.80 × 95,097.20
  4. Step 4: Simplify right side
    108,921.20x = 15,537,151,710.96
  5. Step 5: Solve for x
    x = 15,537,151,710.96/108,921.20
  6. Step 6: Final answer
    x = 142,645.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.